 .stone_style{
    width: 100%;
    overflow: hidden;
    list-style-type: none;
}
 .stone_style>li{
    float: left;
    width: 100px;
     height: 100px;
     margin: 10px;
     line-height: 100px;
     text-align: center;
    border: 2px solid black;
}
 .selectStone{
     overflow: hidden;
     list-style-type: none;
     height: 50px;
 }
 .selectStone li{
     height: 30px;
     line-height: 30px;
     text-align: center;
     float: left;
     margin: 10px;
 }
 .selectStone li:nth-child(1){
     font-weight: bold;
     font-size: 15px;
 }
 .site-button-ghost-wrapper>ul{
     overflow: hidden;
     list-style-type: none;
 }
 .site-button-ghost-wrapper>ul>li{
     float: left;
     margin: 20px;
 }
 .CodeHead{
     text-align: center;
     font-size: 20px;
     margin-bottom: 10px;
     font-weight: bold;
 }